Home / 3,289.97-4,540.86-2,171.06

Finding the Fourth Proportional to 3,289.97, 4,540.86 and 2,171.06

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Solution

The fourth proportional to 3,289.97, 4,540.86 and 2,171.06 is: 2,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.97 : 4,540.86 = 2,171.06 : x
  2. Step 2: Convert to fraction form
    3,289.97/4,540.86 = 2,171.06/x
  3. Step 3: Cross multiply
    3,289.97x = 4,540.86 × 2,171.06
  4. Step 4: Simplify right side
    3,289.97x = 9,858,479.51
  5. Step 5: Solve for x
    x = 9,858,479.51/3,289.97
  6. Step 6: Final answer
    x = 2,996.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.